X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fhtml.ex;h=71db516e699bda753ca8a5d0ee83147c786c9e80;hb=eaaf701319cc3faf49ddcee359c796ec682886d8;hp=5e1f5bf96f469c002ca866ba087baaf97440f957;hpb=c50353e6aef5ec482a427298fb20b1b75c208bca;p=akkoma
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
index 5e1f5bf96..71db516e6 100644
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@@ -1,5 +1,5 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2018 Pleroma Authors
+# Copyright © 2017-2019 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTML do
@@ -27,6 +27,40 @@ defmodule Pleroma.HTML do
def filter_tags(html, scrubber), do: Scrubber.scrub(html, scrubber)
def filter_tags(html), do: filter_tags(html, nil)
def strip_tags(html), do: Scrubber.scrub(html, Scrubber.StripTags)
+
+ def get_cached_scrubbed_html_for_object(content, scrubbers, object) do
+ key = "#{generate_scrubber_signature(scrubbers)}|#{object.id}"
+ Cachex.fetch!(:scrubber_cache, key, fn _key -> ensure_scrubbed_html(content, scrubbers) end)
+ end
+
+ def get_cached_stripped_html_for_object(content, object) do
+ get_cached_scrubbed_html_for_object(content, HtmlSanitizeEx.Scrubber.StripTags, object)
+ end
+
+ def ensure_scrubbed_html(
+ content,
+ scrubbers
+ ) do
+ {:commit, filter_tags(content, scrubbers)}
+ end
+
+ defp generate_scrubber_signature(scrubber) when is_atom(scrubber) do
+ generate_scrubber_signature([scrubber])
+ end
+
+ defp generate_scrubber_signature(scrubbers) do
+ Enum.reduce(scrubbers, "", fn scrubber, signature ->
+ # If a scrubber does not have a version(e.g HtmlSanitizeEx.Scrubber.StripTags) it is assumed it is always 0)
+ version =
+ if Kernel.function_exported?(scrubber, :version, 0) do
+ scrubber.version
+ else
+ 0
+ end
+
+ "#{signature}#{to_string(scrubber)}#{version}"
+ end)
+ end
end
defmodule Pleroma.HTML.Scrubber.TwitterText do